Where does “heilsuefling” come from?

heilsuefling (Icelandic) comes from Icelandic heilsa, from Old Norse heilsa, from Proto-Germanic hailisōną, from Proto-Germanic hailaz, from Proto-Indo-European *kéh₂ilos — healthy.

heilsuefling (Icelandic): health strengthening

Definitions

health strengthening

Ancestry of “heilsuefling”, step by step

heilsuefling traces back through two separate lines of ancestry.

via Icelandic heilsa

Step	Language	Word	Meaning
1	Icelandic	heilsa	health; to greet
2	Old Norse	heilsa	health
3	Proto-Germanic	hailisōną	to greet; salute; to inquire; beseech
4	Proto-Germanic	hailaz	whole, unbroken, intact; entire, complete; hale,...
5	Proto-Indo-European	*kéh₂ilos	healthy

via Icelandic efla

Step	Language	Word	Meaning
1	Icelandic	efla	to strengthen
2	Old Norse	efla	—

Every word from Proto-Indo-European *kéh₂ilos →Every word from Proto-Germanic hailaz →Every word from Proto-Germanic hailisōną →